What forced the US to ground all planes? A router switch, we now know
Al Jazeera reports that the US nationwide ground stop of 13 November 2026, which cancelled thousands of flights and initially sparked cyberattack fears, was traced to a routine router replacement that overloaded air traffic control communications at 17 of the FAA's 22 en route centres. Transportation Secretary Sean Duffy blamed contractor L3Harris and called for $50bn to upgrade the ageing system.
